Complète les puissances manquantes par l’entier relatif qui convient : A = 10p… x 10p−6 = 10p8 B = 10p4/10p... = 10p−3 C = 10p4/10p... = 10p11 D = (10p−6 )p…… =
Mathématiques
lanahammoud02
Question
Complète les puissances manquantes par l’entier relatif qui convient :
A = 10p… x 10p−6
= 10p8
B =
10p4/10p...
= 10p−3 C =
10p4/10p...
= 10p11
D = (10p−6
)p…… = 10p−18
E = 10p6
x 10p… = 10p−8
F = (10p….)
p–9
= 10p45
G = 8715 = 8,715 x 10p… H = 0,00794 = 7,94 x 10p… I = 1784,6 = 1,7846 x 10p
…
J = (8/5)p12=
…/…
K = 3p6
x 5p6
= …… L =
7p15/7p9
= …
Merci d'avance
A = 10p… x 10p−6
= 10p8
B =
10p4/10p...
= 10p−3 C =
10p4/10p...
= 10p11
D = (10p−6
)p…… = 10p−18
E = 10p6
x 10p… = 10p−8
F = (10p….)
p–9
= 10p45
G = 8715 = 8,715 x 10p… H = 0,00794 = 7,94 x 10p… I = 1784,6 = 1,7846 x 10p
…
J = (8/5)p12=
…/…
K = 3p6
x 5p6
= …… L =
7p15/7p9
= …
Merci d'avance
1 Réponse
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1. Réponse stellaphilippe2
Réponse :
Explications étape par étape
aexp m . aexp n = aexp m+n
A 10¹⁴.10-⁶ = 10⁸
B aexpm/aexpn = a exp m-2
10⁴/ 10⁷ = 10⁴-⁷ = 10-³
10⁴/10-⁷ = 10¹¹
C 10⁴/10-⁷ = 10⁴+⁷ = 10¹¹
D (10-⁶)³ = 10-¹⁸
E 10⁶. 10-¹⁴ = 10⁶-14 = 10-⁸
F (10-⁵)-⁹ = 10⁴⁵
G 8715 = 8,715.10³
H 0,00794 = 7,94. 10-³
I 1784,6 = 1,7846 . 10³
J (8/5)¹² = 8¹² / 5¹²
K 3⁶ . 5⁶ = 15⁶
L 7¹⁵/7⁹ = 7¹⁵-⁹ = 7⁶